Dynamics of nicotine across the soil–tobacco plant interface is dependent on agro-ecology, nitrogen source, and rooting depth

Lisuma, Jacob Bulenga; Mbega, Ernest R.; Ndakidemi, Patrick A.

doi:10.1016/j.rhisph.2019.100175

Cited by 7 publications

(2 citation statements)

References 27 publications

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“…The application of fertilizers over the years has led to an increase in potassium and phosphorus contents in soils 35 , however, the amount of potassium that can be absorbed by tobacco plant is still limited. Moreover, a part of nicotine in tobacco roots is released into soil, which could affect AvP, AvK, and the proliferation of microorganisms in soil 36 . In turn, microbes in soils may influence the growth of tobacco plants, and affects the tobacco quality 37 .…”

Section: Discussionmentioning

confidence: 99%

Soil fungal communities affect the chemical quality of flue-cured tobacco leaves in Bijie, Southwest China

Wang

Zhang

et al. 2022

Sci Rep

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Soil microorganisms could affect the quality of tobacco leaves, however, little is known about the association of tobacco chemical components and soil fungal communities. In the present study, the relationship between soil fungi and tobacco quality based on chemical components in Bijie was investigated. The results showed that the total harmony scores (THS) of the analyzed tobacco leaves ranged from 46.55 ± 3.5 to 91.55 ± 2.25. Analyses of chemical components revealed that high contents of nicotine (≥ 1.06%) and sugar (total sugar: ≥ 22.96%, reducing sugar: ≥ 19.62%), as well as low potassium level (≤ 2.68%) were the main factors limiting the quality of flue-cured tobacco leaves. Pearson correlation analysis indicated that soil nitrate, available potassium/phosphorous, and organic matter significantly correlated with tobacco nicotine, potassium, and chloride levels (p < 0.05). Besides, the analysis of alpha- and beta-diversity of soil fungal communities implied that fungal structure rather than the richness affected the chemical quality of tobacco. In detail, the relative abundance of Humicola olivacea species in soils was positively correlated with the THS of tobaccos (r = 0.52, p < 0.05). Moreover, the species including Mortierella alpina, Mortierella hyalina, Tausonia pullulan, and Humicola olivacea were negatively correlated with tobacco sugar (r ≤ − 0.45, p < 0.05) while, Codinaea acaciae and Saitozyma podzolica species were negatively correlated with tobacco nicotine (r ≤ − 0.51, p < 0.05). The present study provides a preliminary basis for utilizing fungal species in soils to improve the chemical quality of tobacco in the studied area.

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Section: Discussionmentioning

confidence: 99%

Soil fungal communities affect the chemical quality of flue-cured tobacco leaves in Bijie, Southwest China

Wang

Zhang

et al. 2022

Sci Rep

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“…However, tobacco nicotine through smoking is widely known to cause cancer [ 4 , 5 ]. Tobacco nicotine a major metabolite by 96% in the tobacco plant, also known to be released in soils through tobacco roots, and its dynamic is highly dependent on the soil moisture and rooting depth [ 6 ]. The released nicotine is adsorbed more in acidic soils and reported to affect the soil bacteria, growth, and yield of cereal crops such as maize [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

The Effects of Cultivating Tobacco and Supplying Nitrogenous Fertilizers on Micronutrients Extractability in Loamy Sand and Sandy Soils

Lisuma

Mbega

Ndakidemi

2021

Plants

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This research was conducted to evaluate the trends of the extractable micronutrients boron (B), copper (Cu), iron (Fe), manganese (Mn), and zinc (Zn) in soils differing in textures and collected before tobacco cultivation, and in after unfertilized and fertilized (N10P18K24 and CAN 27%) plots. The soils and tobacco leaves were assessed on the contents of the micronutrients after unfertilized and fertilized tobacco cultivation. In soils, tobacco cultivation with fertilization increased the extractable Cu, Fe, Mn, and Zn by 0.10, 11.03, 8.86, and 0.08 mg kg−1, respectively, but decreased the extractable B by 0.04 mg kg−1. The effects of fertilization increased the extractable Cu, Fe, Mn, and Zn by 0.14, 14.29, 9.83, and 0.24 mg kg−1, respectively, but decreased B by 0.08 mg kg−1. The combination effects of tobacco cultivation and fertilization increased the extractable Cu, Fe, Mn, and Zn by 0.24, 25.32, 18.69, and 0.32 mg kg−1, respectively, but decreased the extractable B by 0.12 mg kg−1. The results revealed that the solubility of the extractable Zn, Mn, Cu, and Fe in soils were increased by both tobacco and fertilization, but the extractable B was decreased. The fertilization of the studied soils with NPK + CAN fertilizers significantly increased the concentration of the extractable micronutrients in tobacco leaves. Based on the findings of this study, further research must be conducted to investigate the effects of tobacco cultivation on soil health and fertility beyond considering only soil pH, SOC, micronutrients, and macronutrients. These studies should include the relationship between soil fertility (pH, texture, CEC, base saturation, etc.), micronutrients, and agronomic practices on the effect of tobacco cultivation on the extractability of B, Cu, Fe, Mn, and Zn.

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Nicotine release at the tobacco rhizosphere and their adsorption capacities in different soil textures

2020

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Dynamics of nicotine across the soil–tobacco plant interface is dependent on agro-ecology, nitrogen source, and rooting depth

Cited by 7 publications

References 27 publications

Soil fungal communities affect the chemical quality of flue-cured tobacco leaves in Bijie, Southwest China

Soil fungal communities affect the chemical quality of flue-cured tobacco leaves in Bijie, Southwest China

The Effects of Cultivating Tobacco and Supplying Nitrogenous Fertilizers on Micronutrients Extractability in Loamy Sand and Sandy Soils

Nicotine release at the tobacco rhizosphere and their adsorption capacities in different soil textures

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